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Background : The prevalence of risk to the fetus from drug use in pregnancy has never been reported.
Objectives : the aims of this study are to survey an incidence of drug use, both self medicated and prescribed, during pregnancy as well as to categorize drugs used into groups following the US-FDA based on the level of risk they posed to the fetus.
Design : Descriptive study.
Setting : ANC clinic, Srinagarind Hospital , Khon Kaen , Thailand.
Subjects : Three hundred and two pregnant women were sampled from the ANC clinic during July to September 1996 for interviews on self medication during pregnancy. Prescribed drugs were exposed to category C drug and 8.9% exposed to category D drug. For prescribed drugs, most of them were safely prescribed. However, there were 6 pregnant women receiving a drug containing codeine which might cause a respiratory suppression in the fetus.
Conclusion : This study showed that there were still a number of pregnant women exposed to drugs of risky categories.